fix: - 引导流程改为从左至右显示 - 添加复制指引功能 - 流程图节点去掉 URL 显示，缩小节点尺寸 - 连线添加箭头方向指示，缩短节点间距 - 重构 graphUpdated 事件监听，修复添加/编辑页面后不实时更新的问题 - 预览页面隐藏图片附件文件名

app/Filament/Resources/GuideResource.php

@@ -193,6 +193,43 @@ class GuideResource extends Resource
             ])
             ->actions([
                 Tables\Actions\EditAction::make()->label('编辑'),
+                Tables\Actions\Action::make('duplicate')
+                    ->label('复制')
+                    ->icon('heroicon-o-document-duplicate')
+                    ->color('info')
+                    ->requiresConfirmation()
+                    ->action(function (Guide $record) {
+                        $newGuide = $record->replicate(['pages_count', 'stations_count']);
+                        $newGuide->name = $record->name . ' (副本)';
+                        $newGuide->created_by = auth()->id();
+                        $newGuide->published_at = null;
+                        $newGuide->save();
+
+                        // 复制关联的线站
+                        if ($record->stations()->count() > 0) {
+                            $newGuide->stations()->sync($record->stations()->pluck('stations.id'));
+                        }
+
+                        // 复制页面
+                        $pageIdMap = [];
+                        foreach ($record->pages as $page) {
+                            $newPage = $page->replicate();
+                            $newPage->guide_id = $newGuide->id;
+                            $newPage->save();
+                            $pageIdMap[$page->id] = $newPage->id;
+                        }
+
+                        // 复制边（edges），并更新页面 ID 映射
+                        foreach ($record->edges as $edge) {
+                            $newEdge = $edge->replicate();
+                            $newEdge->guide_id = $newGuide->id;
+                            $newEdge->from_page_id = $pageIdMap[$edge->from_page_id] ?? $edge->from_page_id;
+                            $newEdge->to_page_id = $pageIdMap[$edge->to_page_id] ?? $edge->to_page_id;
+                            $newEdge->save();
+                        }
+
+                        return redirect()->to(route('filament.admin.resources.guides.edit', ['record' => $newGuide]));
+                    }),
                 Tables\Actions\DeleteAction::make()->label('删除'),
             ])
             ->bulkActions([